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7.6
CVSSv2

CVE-2021-30857

Published: 24/08/2021 Updated: 07/11/2023
CVSS v2 Base Score: 7.6 | Impact Score: 10 | Exploitability Score: 4.9
CVSS v3 Base Score: 7 | Impact Score: 5.9 | Exploitability Score: 1
VMScore: 676
Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C
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Vulnerability Summary

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.

Vulnerability Trend

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apple mac os x

apple mac os x 10.15.7

apple watchos

apple tvos

apple ipados

apple iphone os

apple macos

Mailing Lists

Full Disclosure: APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-10-26-10 Additional information for APPLE-SA-2021-09-20-2 watchOS 8 <!--X-Subject-Header-End--> <!--X-He ...
Full Disclosure: APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-10-26-9 Additional information for APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15 <!--X-Subject-Header-End-- ...
Full Disclosure: APPLE-SA-2021-09-20-2 watchOS 8
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-09-20-2 watchOS 8 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: product-security-noreply- ...
Full Disclosure: APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-09-20-1 iOS 15 and iPadOS 15 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: product-securi ...

References

CWE-362https://support.apple.com/en-us/HT212804https://support.apple.com/en-us/HT212805https://support.apple.com/en-us/HT212807https://support.apple.com/en-us/HT212814https://support.apple.com/en-us/HT212819https://support.apple.com/en-us/HT212815https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/Oct/62
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
race conditionCVE-2024-4249CVE-2024-4244CVE-2023-20198TCPCVE-2022-48648CVE-2022-48636CVE-2024-21345SQL
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